Dark blue cloudy sky

What is Kelvin Helmholtz?

Perhaps you have come across them, maybe you are seeing them for the first time. These clouds, known as wave clouds, resemble ocean waves rolling at equal intervals and are one of the rare types. It is believed that these clouds with their mesmerizing appearance inspired the swirls we see in Vincent Van Gogh's painting "Starry Night." So, how does this type of cloud form? They arise when two different layers of air in our atmosphere move at different speeds and occur when there is a strong vertical shear between the two air currents, causing the winds to blow faster at upper levels than at lower levels.

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Glossary

Weather intelligence is technology that provides predictive and actionable insights, allowing businesses to adapt to weather-related...

A very cold high pressure that originates over the Arctic Ocean.

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

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